1312220021110 has 16 divisors (see below), whose sum is σ = 2383665728400. Its totient is φ = 520072521696.

The previous prime is 1312220021093. The next prime is 1312220021143. The reversal of 1312220021110 is 111200222131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601934700 + ... + 601936879.

It is an arithmetic number, because the mean of its divisors is an integer number (148979108025).

Almost surely, 2^{1312220021110} is an apocalyptic number.

1312220021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312220021110 is a deficient number, since it is larger than the sum of its proper divisors (1071445707290).

1312220021110 is a wasteful number, since it uses less digits than its factorization.

1312220021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203871695.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1312220021110 its reverse (111200222131), we get a palindrome (1423420243241).

The spelling of 1312220021110 in words is "one trillion, three hundred twelve billion, two hundred twenty million, twenty-one thousand, one hundred ten".